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CO(2) content of atmosphere has increase...

`CO_(2)` content of atmosphere has increased in the last 150 years from

A

25 to 35 ppm

B

270 to 340 ppm

C

0.027 to 0.34 ppm

D

0.2 to 0.3 ppm

Text Solution

Verified by Experts

The correct Answer is:
B
Over the last 150 years carbon dioxide concentration have risen from 280 to nearly 380 parts per million. This is due to human activities such as burning of fossil fuels, land clearing etc.
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